SFP-31OC3-LR 155M OC3/STM-1 SFP LR 1310nm 40km LC SMF DDM Transceiver Module
F-tone SFP-31OC3-LR Compatible OC3/STM-1 SDH SFP LH40 (mini-GBIC) Transceiver Module supporting data rate of 155Mbps and 40km transmission distance with SMF.
SONET/SDH SFP
Fiberdo is the global brand of F-tone Networks